Introducing GitLab Container Registry

What this post added

This post announces the release of GitLab Container Registry as part of GitLab 8.8. It describes the registry as a secure and private Docker image registry fully integrated with GitLab, requiring no additional installation. Key features highlighted include user authentication via GitLab, project-specific repositories, easy upload/download from GitLab CI, and simplified workflows for building, storing, and deploying Docker images. It also provides basic Docker concepts, examples of workflow simplification, and instructions on how to enable and use the registry with GitLab CI, including sample `.gitlab-ci.yml` configurations.